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Round|Natural|GIA

1.28ct G IF Round Natural Diamond

EX • G/IF • GIA 1543750667

Certificate GIA 1543750667

Diamond specifications and retailer prices

From $13,093 NZD
As of November 4, 2026
Save $15,083 NZD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $28,176 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1543750667. Listed at 8 retailers as of November 4, 2026, with prices from $13,093 to $28,176, a $15,083 spread on the same certified stone. NZ Jewellers lists it at $28,176. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1543750667
Dimensions6.90 × 6.93 × 4.29 mm
L/W Ratio1.00
Star length50%
Top View
6.90 mm6.93 mm1.28 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543750667
Side View
Table 58.0%Crown 35.5°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $28,176 NZD|Low: $12,399 NZD|High: $28,176 NZD|Avg: $18,399 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 5$13,093 NZD
Retailer 8$15,078 NZD
Retailer 4$15,551 NZD
Retailer 7$17,012 NZD
Retailer 3$17,595 NZD
Retailer 6$18,271 NZD
Retailer 2$23,414 NZD
NZ Jewellers$28,176 NZD

24 data points across 8 retailers

8 retailers$13,093 NZD to $28,176 NZD

A
Cheapest Retailer
-
$13,093 NZD
A
Retailer 2
-
$15,078 NZD
View
A
Retailer 3
-
$15,551 NZD
View
Final sale: no returns
A
Retailer 4
-
$17,012 NZD
View
A
Retailer 5
-
$17,595 NZD
View
B+
Retailer 6
-
$18,271 NZD
View
B+
Retailer 7
-
$23,414 NZD
View
Most Expensive
B
NZ Jewellers
4ea21e07-7513-4ebf-aefe-6dbced2c2072 · Nov 5
$28,176 NZD
$15,839 USD
View
7 more retailers have this diamond
Prices start from $13,093 NZDSave up to $15,083 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Round
$13,093 NZD